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Finding the Fourth Proportional to 65,767.73, 90,760.46 and 37,472.81

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Solution

The fourth proportional to 65,767.73, 90,760.46 and 37,472.81 is: 51,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.73 : 90,760.46 = 37,472.81 : x
  2. Step 2: Convert to fraction form
    65,767.73/90,760.46 = 37,472.81/x
  3. Step 3: Cross multiply
    65,767.73x = 90,760.46 × 37,472.81
  4. Step 4: Simplify right side
    65,767.73x = 3,401,048,831.93
  5. Step 5: Solve for x
    x = 3,401,048,831.93/65,767.73
  6. Step 6: Final answer
    x = 51,713.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.